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Contributing co-variables in clinical trials
S C Bayne1, H O Heymann, J R Sturdevant
1Department of Operative Dentistry, School of Dentistry, University of North Carolina, Chapel Hill 27599-7450.
American Journal of Dentistry
|October 1, 1991
Abstract:
To accurately compare Class V dentinal bonding studies, it is essential to critically classify the effects of the intraoral location and age of the patient on the retention of resin composite restorations. A mathematical formula for normalization combined with the Weibull analysis also is proposed that could provide CL50 values for the clinical longevity of adhesive restorations.